[Jewelry making - Article 00216] - [Orchid] Diluting Nitric acid

[Jeanette Hyde]

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Hi

    I am hoping somone out there could give me some advice. I am a
    relative novice when it comes to etching, we did some in a class I
    took so I am aware of all the safety pointers but the acid was always
    mixed for us do I dont know what rate it was diluted at. 

    I am trying to etch a design into an old silver plated nickel spoon
    and I just cant get it to work. I have been diluting the acid 3 parts
    water to one part acid - as recommended in one of my books but it
    isnt even touching it. 

    I was wondering if it was because I didnt prepare the metal
    correctly so I have stripped off all the stop out varnish, rubbed the
    spoons down and I'm about to begin again. 

    Any ideas would be very gratefully recieved. 

Best wishes
Jeanette

 
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